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The term autogenous means "Produced independent from an external cause or influence."
(See: [http://en.wiktionary.org/wiki/autogenous wiltionary]). 
In the context of perpetuate systems (including [[Main Page|APM]] systems) "autogenous" refers to a sufficiently closed system that can [[self replication|self replicate]].

Examples for autogenous systems:

* diverse species of life (more in case of lone living extremophiles or less is case of symbiotics and parasites)
* the human industry a whole
* hypothetical long term autark space stations
* the early concept of [[molecular assemblers]]
* the current concept of advanced [[atomically precise small scale factories]]

In many cases it can be difficult to draw a line at which point something becomes dependent. That is at which point you consider the consumed goods prefabricated by external source. (Even atoms could be called prefabricated by stars)